ipv4: Make inet_sock.h independent of route.h

inet_iif() in inet_sock.h requires route.h. Since users of inet_iif()
usually require other route.h functionality anyway this patch moves
inet_iif() to route.h.

Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/net/route.h b/include/net/route.h
index 4f0d8c14736c..31d1485b624d 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -204,4 +204,9 @@ static inline struct inet_peer *rt_get_peer(struct rtable *rt)
         return rt->peer;
 }
 
+static inline int inet_iif(const struct sk_buff *skb)
+{
+        return skb->rtable->rt_iif;
+}
+
 #endif  /* _ROUTE_H */